package com.nbsaas.boot.wms.api.domain.service.impl;

import com.nbsaas.boot.wms.api.domain.request.ProductAllocationQueryRequest;
import com.nbsaas.boot.wms.api.domain.response.ProductAllocationResponse;
import com.nbsaas.boot.wms.api.domain.response.ShopAllocationSummaryResponse;
import com.nbsaas.boot.wms.api.domain.service.ProductAllocationService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * 商品配货服务实现类
 */
@Service
public class ProductAllocationServiceImpl implements ProductAllocationService {

    // 暂时注释掉，等实体类和Repository创建完成后再启用
    /*
    @Autowired
    private ProductAllocationRepository productAllocationRepository;
    */

    @Override
    public List<ProductAllocationResponse> queryProductAllocation(ProductAllocationQueryRequest request) {
        // TODO: 实现查询逻辑
        return new ArrayList<>();
    }

    @Override
    public List<ShopAllocationSummaryResponse> getProductAllocationSummaryByShops(Long productId, List<Long> shopIds) {
        List<ShopAllocationSummaryResponse> result = new ArrayList<>();
        
        if (CollectionUtils.isEmpty(shopIds)) {
            return result;
        }

        // 为所有店铺生成响应，没有配货的店铺配货数量为0
        for (Long shopId : shopIds) {
            ShopAllocationSummaryResponse response = new ShopAllocationSummaryResponse();
            response.setProductId(productId);
            response.setShopId(shopId);
            response.setAllocationQuantity(0); // 暂时返回0，等Repository实现后修改
            response.setAvailableQuantity(0);
            response.setStatus("UNAVAILABLE");
            response.setHasAllocation(false);
            
            result.add(response);
        }

        return result;
    }

    @Override
    public Integer getProductAllocationQuantityByShop(Long productId, Long shopId) {
        // TODO: 实现查询逻辑
        return 0;
    }

    @Override
    public Integer getAvailableAllocationQuantityByShop(Long productId, Long shopId) {
        // TODO: 实现查询逻辑
        return 0;
    }

    @Override
    public String getProductAllocationStatusByShop(Long productId, Long shopId) {
        // TODO: 实现查询逻辑
        return "UNAVAILABLE";
    }
} 